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all: fix ineffectual assignments and remove uses of crypto.Sha3

Browse Source 
go get github.com/gordonklaus/ineffassign
ineffassign .
This commit is contained in:
Felix Lange
2017-01-09 11:16:06 +01:00
parent 0f34d506b5
commit b9b3efb09f
31 changed files with 109 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
swarm/api/api.go
View File

@ -140,8 +140,11 @@ func (self *Api) Put(content, contentType string) (string, error) {
// to resolve path to content using dpa retrieve
// it returns a section reader, mimeType, status and an error
func (self *Api) Get(uri string, nameresolver bool) (reader storage.LazySectionReader, mimeType string, status int, err error) {
key, _, path, err := self.parseAndResolve(uri, nameresolver)
if err != nil {
return nil, "", 500, fmt.Errorf("can't resolve: %v", err)
}
quitC := make(chan bool)
trie, err := loadManifest(self.dpa, key, quitC)
if err != nil {
@ -166,6 +169,10 @@ func (self *Api) Get(uri string, nameresolver bool) (reader storage.LazySectionR
func (self *Api) Modify(uri, contentHash, contentType string, nameresolver bool) (newRootHash string, err error) {
root, _, path, err := self.parseAndResolve(uri, nameresolver)
if err != nil {
return "", fmt.Errorf("can't resolve: %v", err)
}
quitC := make(chan bool)
trie, err := loadManifest(self.dpa, root, quitC)
if err != nil {

2
swarm/api/config.go
View File

@ -69,7 +69,7 @@ func NewConfig(path string, contract common.Address, prvKey *ecdsa.PrivateKey, n
var data []byte
pubkey := crypto.FromECDSAPub(&prvKey.PublicKey)
pubkeyhex := common.ToHex(pubkey)
keyhex := crypto.Sha3Hash(pubkey).Hex()
keyhex := crypto.Keccak256Hash(pubkey).Hex()
self = &Config{
SyncParams: network.NewSyncParams(dirpath),

40
swarm/api/filesystem.go
View File

@ -241,24 +241,7 @@ func (self *FileSystem) Download(bzzpath, localpath string) error {
}
go func(i int, entry *downloadListEntry) {
defer wg.Done()
f, err := os.Create(entry.path) // TODO: path separators
if err == nil {
reader := self.api.dpa.Retrieve(entry.key)
writer := bufio.NewWriter(f)
size, err := reader.Size(quitC)
if err == nil {
_, err = io.CopyN(writer, reader, size) // TODO: handle errors
err2 := writer.Flush()
if err == nil {
err = err2
}
err2 = f.Close()
if err == nil {
err = err2
}
}
}
err := retrieveToFile(quitC, self.api.dpa, entry.key, entry.path)
if err != nil {
select {
case errC <- err:
@ -279,5 +262,24 @@ func (self *FileSystem) Download(bzzpath, localpath string) error {
case <-quitC:
return fmt.Errorf("aborted")
}
}
func retrieveToFile(quitC chan bool, dpa *storage.DPA, key storage.Key, path string) error {
f, err := os.Create(path) // TODO: path separators
if err != nil {
return err
}
reader := dpa.Retrieve(key)
writer := bufio.NewWriter(f)
size, err := reader.Size(quitC)
if err != nil {
return err
}
if _, err = io.CopyN(writer, reader, size); err != nil {
return err
}
if err := writer.Flush(); err != nil {
return err
}
return f.Close()
}

1
swarm/api/filesystem_test.go
View File

@ -130,6 +130,7 @@ func TestApiDirUploadModify(t *testing.T) {
content = readPath(t, "testdata", "test0", "index.css")
resp = testGet(t, api, bzzhash+"/index.css")
exp = expResponse(content, "text/css", 0)
checkResponse(t, resp, exp)
_, _, _, err = api.Get(bzzhash, true)
if err == nil {

6
swarm/network/kademlia/kademlia_test.go
View File

@ -58,9 +58,9 @@ func (n *testNode) LastActive() time.Time {
}
func TestOn(t *testing.T) {
addr, ok := gen(Address{}, quickrand).(Address)
other, ok := gen(Address{}, quickrand).(Address)
if !ok {
addr, ok1 := gen(Address{}, quickrand).(Address)
other, ok2 := gen(Address{}, quickrand).(Address)
if !ok1 || !ok2 {
t.Errorf("oops")
}
kad := New(addr, NewKadParams())

10
swarm/network/syncdb_test.go
View File

@ -63,7 +63,7 @@ func newTestSyncDb(priority, bufferSize, batchSize int, dbdir string, t *testing
dbdir: dbdir,
t: t,
}
h := crypto.Sha3Hash([]byte{0})
h := crypto.Keccak256Hash([]byte{0})
key := storage.Key(h[:])
self.syncDb = newSyncDb(db, key, uint(priority), uint(bufferSize), uint(batchSize), self.deliver)
// kick off db iterator right away, if no items on db this will allow
@ -79,7 +79,7 @@ func (self *testSyncDb) close() {
func (self *testSyncDb) push(n int) {
for i := 0; i < n; i++ {
self.buffer <- storage.Key(crypto.Sha3([]byte{byte(self.c)}))
self.buffer <- storage.Key(crypto.Keccak256([]byte{byte(self.c)}))
self.sent = append(self.sent, self.c)
self.c++
}
@ -126,7 +126,7 @@ func (self *testSyncDb) expect(n int, db bool) {
if self.at+1 > len(self.delivered) {
self.t.Fatalf("expected %v, got %v", self.at+1, len(self.delivered))
}
if len(self.sent) > self.at && !bytes.Equal(crypto.Sha3([]byte{byte(self.sent[self.at])}), self.delivered[self.at]) {
if len(self.sent) > self.at && !bytes.Equal(crypto.Keccak256([]byte{byte(self.sent[self.at])}), self.delivered[self.at]) {
self.t.Fatalf("expected delivery %v/%v/%v to be hash of %v, from db: %v = %v", i, n, self.at, self.sent[self.at], ok, db)
glog.V(logger.Debug).Infof("%v/%v/%v to be hash of %v, from db: %v = %v", i, n, self.at, self.sent[self.at], ok, db)
}
@ -195,7 +195,7 @@ func TestSaveSyncDb(t *testing.T) {
go s.dbRead(false, 0, s.deliver)
s.expect(amount, true)
for i, key := range s.delivered {
expKey := crypto.Sha3([]byte{byte(i)})
expKey := crypto.Keccak256([]byte{byte(i)})
if !bytes.Equal(key, expKey) {
t.Fatalf("delivery %v expected to be key %x, got %x", i, expKey, key)
}
@ -204,7 +204,7 @@ func TestSaveSyncDb(t *testing.T) {
s.expect(amount, false)
for i := amount; i < 2*amount; i++ {
key := s.delivered[i]
expKey := crypto.Sha3([]byte{byte(i - amount)})
expKey := crypto.Keccak256([]byte{byte(i - amount)})
if !bytes.Equal(key, expKey) {
t.Fatalf("delivery %v expected to be key %x, got %x", i, expKey, key)
}

2
swarm/storage/common_test.go
View File

@ -80,7 +80,7 @@ func testStore(m ChunkStore, l int64, branches int64, t *testing.T) {
Hash: defaultHash,
})
swg := &sync.WaitGroup{}
key, err := chunker.Split(rand.Reader, l, chunkC, swg, nil)
key, _ := chunker.Split(rand.Reader, l, chunkC, swg, nil)
swg.Wait()
close(chunkC)
chunkC = make(chan *Chunk)

4
swarm/storage/dbstore_test.go
View File

@ -144,7 +144,7 @@ func TestDbStoreSyncIterator(t *testing.T) {
t.Fatalf("unexpected error creating NewSyncIterator")
}
it, err = m.NewSyncIterator(DbSyncState{
it, _ = m.NewSyncIterator(DbSyncState{
Start: Key(common.Hex2Bytes("1000000000000000000000000000000000000000000000000000000000000000")),
Stop: Key(common.Hex2Bytes("4000000000000000000000000000000000000000000000000000000000000000")),
First: 2,
@ -168,7 +168,7 @@ func TestDbStoreSyncIterator(t *testing.T) {
t.Fatalf("Expected %v chunk, got %v", keys[3], res[1])
}
it, err = m.NewSyncIterator(DbSyncState{
it, _ = m.NewSyncIterator(DbSyncState{
Start: Key(common.Hex2Bytes("2000000000000000000000000000000000000000000000000000000000000000")),
Stop: Key(common.Hex2Bytes("4000000000000000000000000000000000000000000000000000000000000000")),
First: 2,

3
swarm/storage/dpa_test.go
View File

@ -120,8 +120,7 @@ func TestDPA_capacity(t *testing.T) {
// check whether it is, indeed, empty
dpa.ChunkStore = memStore
resultReader = dpa.Retrieve(key)
n, err = resultReader.ReadAt(resultSlice, 0)
if err == nil {
if _, err = resultReader.ReadAt(resultSlice, 0); err == nil {
t.Errorf("Was able to read %d bytes from an empty memStore.", len(slice))
}
// check how it works with localStore